Mean well 240w single output switching power supply hlg 240 series ip67 rated mean well hlg 240h 12b the mean well hlg 240h 12b is a 192w single output switching power supply from the hlg 240h series this power supply has a built in active pfc function and feature a wide input range of 90 to 305v ac in addition this power supply is ip67 rated denoted by the b in the manufacturers part number constant current level adjustable through output cable with 1 to 10v dc or 10v pwm signal o